From: Shane Lontis <shane.lontis@oracle.com>
Date: Wed, 18 Sep 2019 05:26:19 +0000 (+1000)
Subject: Fix Compiler error/warning for windows icl build
X-Git-Tag: openssl-3.0.0-alpha1~1336
X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=ecae0575103918868b29cc11aa35e3b91fe7dcc8

Fix Compiler error/warning for windows icl build

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9907)
---

diff --git a/include/internal/refcount.h b/include/internal/refcount.h
index eddf12415f..1619b28932 100644
--- a/include/internal/refcount.h
+++ b/include/internal/refcount.h
@@ -73,6 +73,21 @@ static __inline__ int CRYPTO_DOWN_REF(int *val, int *ret, void *lock)
         __atomic_thread_fence(__ATOMIC_ACQUIRE);
     return 1;
 }
+#  elif defined(__ICL) && defined(_WIN32)
+#   define HAVE_ATOMICS 1
+typedef volatile int CRYPTO_REF_COUNT;
+
+static __inline int CRYPTO_UP_REF(volatile int *val, int *ret, void *lock)
+{
+    *ret = _InterlockedExchangeAdd((void *)val, 1) + 1;
+    return 1;
+}
+
+static __inline int CRYPTO_DOWN_REF(volatile int *val, int *ret, void *lock)
+{
+    *ret = _InterlockedExchangeAdd((void *)val, -1) - 1;
+    return 1;
+}
 
 #  elif defined(_MSC_VER) && _MSC_VER>=1200